#firstheader {
    height: 200px;
}


/* 左边 */
#left {
    margin-left: 350px;
    float: left;
}

#left ul {
    list-style: none;
}

#left a {
    text-decoration: none;
    font-size: 16px;
}

#left li {
    width: 200px;
    height: 40PX;
    /* border: 1px solid red; */
    text-align: center;
}

#left li:hover {
    background-color: #ccc;

}

#left a:hover {
    color: black;
}

/* 右边 */
.right {
    border: 1px solid #ccc;
    width: 600px;
    height: 800px;
    float: left;
    margin-left: 20px;
}

.right-first {
    border: 1px solid #E2E2E2;
    width: 600px;
    height: 100px;
}

.characters1 {
    margin-top: 55px;
    margin-left: 20px;
}

.right-1 {
    float: left;
    margin-left: 20px;
    margin-top: 19px;
    color: red;
    font-size: 20px;
}

.right-2 {
    float: left;
    margin-top: 20px;
    margin-left: 5px;
    /* float: left; */
}

.righttext-1 {
    width: 280px;
    height: 35px;
    margin-left: 22px;
    border: 1px solid black;
    border-radius: 5px;
}

.righttext-1:focus {
    outline: 0;
}


#right-first-button{
    margin-left: 490px;
    margin-top: -70px;
    background-color: white;
    color: #008FF4;
}


#forth {
    /* border: 1px solid red; */
    height: 200px;
    margin-top: 850px;
    background-color: black;
}

#forth-left {
    width: 300px;
    /* border: 1px solid blue; */
    margin-left: 150px;
    padding: 50px;
    float: left;
}

#forth-left-p {
    font-size: 30px;
    color: blue;

}

#forth-middle {
    width: 600px;
    /* border: 1px solid black; */

    float: left;
}

#forth-middle li {
    list-style: none;

}

#forth-middle ul {
    padding: 0;
}

#forth-middle a {
    text-decoration: none;
    color: white;
    display: block;
}

#forth-middle>ul {
    padding: 35px;
    float: left;
}

#forth-right {

    width: 400px;
    /* border: 1px solid red; */
    float: left;
}
/* #right-file{

} */